[9.x] Move maintenance mode logic

src/Illuminate/Contracts/Foundation/Application.php

@@ -3,6 +3,7 @@
 namespace Illuminate\Contracts\Foundation;
 
 use Illuminate\Contracts\Container\Container;
+use Illuminate\Foundation\MaintenanceMode;
 
 interface Application extends Container
 {
@@ -83,6 +84,13 @@ public function runningInConsole();
      */
     public function runningUnitTests();
 
+    /**
+     * Get the instance of the MaintenanceMode.
+     *
+     * @return \Illuminate\Foundation\MaintenanceMode
+     */
+    public function maintenanceMode();
+
     /**
      * Determine if the application is currently down for maintenance.
      *

src/Illuminate/Foundation/Application.php

@@ -1105,14 +1105,24 @@ public function addAbsoluteCachePathPrefix($prefix)
         return $this;
     }
 
+    /**
+     * Get the instance of the MaintenanceMode.
+     *
+     * @return \Illuminate\Foundation\MaintenanceMode
+     */
+    public function maintenanceMode()
+    {
+        return $this->make(MaintenanceMode::class);
+    }
+
     /**
      * Determine if the application is currently down for maintenance.
      *
      * @return bool
      */
     public function isDownForMaintenance()
     {
-        return file_exists($this->storagePath().'/framework/down');
+        return $this->maintenanceMode()->isDown();
     }
 
     /**

src/Illuminate/Foundation/Console/DownCommand.php

@@ -47,16 +47,13 @@ class DownCommand extends Command
     public function handle()
     {
         try {
-            if (is_file(storage_path('framework/down'))) {
+            if ($this->laravel->maintenanceMode()->isDown()) {
                 $this->comment('Application is already down.');
 
                 return 0;
             }
 
-            file_put_contents(
-                storage_path('framework/down'),
-                json_encode($this->getDownFilePayload(), JSON_PRETTY_PRINT)
-            );
+            $this->laravel->maintenanceMode()->down($this->getDownFilePayload());
 
             file_put_contents(
                 storage_path('framework/maintenance.php'),

src/Illuminate/Foundation/Console/UpCommand.php

@@ -39,13 +39,13 @@ class UpCommand extends Command
     public function handle()
     {
         try {
-            if (! is_file(storage_path('framework/down'))) {
+            if ($this->laravel->maintenanceMode()->isUp()) {
                 $this->comment('Application is already up.');
 
                 return 0;
             }
 
-            unlink(storage_path('framework/down'));
+            $this->laravel->maintenanceMode()->up();
 
             if (is_file(storage_path('framework/maintenance.php'))) {
                 unlink(storage_path('framework/maintenance.php'));

src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php

@@ -45,8 +45,8 @@ public function __construct(Application $app)
      */
     public function handle($request, Closure $next)
     {
-        if ($this->app->isDownForMaintenance()) {
-            $data = json_decode(file_get_contents($this->app->storagePath().'/framework/down'), true);
+        if ($this->app->maintenanceMode()->isDown()) {
+            $data = $this->app->maintenanceMode()->getPayload();
 
             if (isset($data['secret']) && $request->path() === $data['secret']) {
                 return $this->bypassResponse($data['secret']);

src/Illuminate/Foundation/MaintenanceMode.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Illuminate\Foundation;
+
+use function storage_path;
+
+class MaintenanceMode
+{
+    /**
+     * Determine if the application is currently down for maintenance.
+     *
+     * @return bool
+     */
+    public function isDown(): bool
+    {
+        return file_exists($this->getDownFilePath());
+    }
+
+    /**
+     * Determine if the application is currently up.
+     *
+     * @return bool
+     */
+    public function isUp(): bool
+    {
+        return $this->isDown() === false;
+    }
+
+    /**
+     * Take the application down for maintenance.
+     *
+     * @param  array  $payload
+     * @return void
+     */
+    public function down(array $payload): void
+    {
+        file_put_contents(
+            $this->getDownFilePath(),
+            json_encode($payload, JSON_PRETTY_PRINT)
+        );
+    }
+
+    /**
+     * Take the application out of maintenance.
+     *
+     * @return void
+     */
+    public function up(): void
+    {
+        if ($this->isDown() === false) {
+            return;
+        }
+
+        unlink($this->getDownFilePath());
+    }
+
+    /**
+     * Get the payload which was provided while the application was placed into maintenance.
+     *
+     * @return array
+     */
+    public function getPayload(): array
+    {
+        return json_decode(file_get_contents($this->getDownFilePath()), true);
+    }
+
+    /**
+     * Get the path where the file is stored that signals that the application is down for maintenance.
+     *
+     * @return string
+     */
+    private function getDownFilePath(): string
+    {
+        return storage_path('framework/down');
+    }
+}